mineral
Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
AI-generated identification · may be incorrectHardness is 2 to 4 on the Mohs scale. Colors range from bright green and turquoise to blue. It features a vitreous to earthy luster and an amorphous or cryptocrystalline structure.
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Physical properties
Hardness is 2 to 4 on the Mohs scale. Colors range from bright green and turquoise to blue. It features a vitreous to earthy luster and an amorphous or cryptocrystalline structure.
Formation & geological history
Forms in the oxidized zones of copper ore bodies through the alteration of primary copper minerals.
Uses & applications
Used primarily as a minor ore of copper, as well as an ornamental gemstone for cabochons, carvings, and inlay work.
Geological facts
Chrysocolla is often found mixed with quartz or chalcedony, which can significantly increase its hardness and durability for jewelry.
Field identification & locations
Easily identified by its vibrant cyan-green color and low hardness relative to similar-looking turquoise. Found globally in copper-rich mining regions.
